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Air Quality Management in the United States (2004) / Chapter Skim
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Executive Summary
Pages 1-7

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From page 3...
... The Committee on Air Quality Management was formed by the National Research Council to examine the role of science and technology in the implementation of the CAA and to recommend ways in which the scientific and technical foundations for AQM in the United States can be enhanced. Over a 2-year period, the committee heard briefings from experts 1 This Executive Summary provides a brief overview of the committee's findings and recommendations.
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From page 4...
... Setting Standards Measuring Progress and Objectives · Emissions trends · Emissions standards · Air quality trends · Ambient air quality standards · Health effects trends · Reducing acid deposition · Ecosystem trends · Reducing regional pollution · Institutional accountability · Protecting visibility Scientific and Technical Foundation Monitoring: Analysis: · Emissions · Models (e.g., air · Ambient air quality quality, emissions) · Health and exposure · Economics · Ecosystems · Health and ecological · Meteorology risk assessment Research: Development: · Public health and · Source control ecosystems studies technology · Laboratory studies · Monitoring technology (e.g., air chemistry, toxicology)
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From page 5...
... Air quality monitoring networks have confirmed that ambient pollutant concentrations, especially in urban areas, have decreased over the past three decades, and monitoring has documented a reduction in sulfate deposition in the eastern United States. Economic assessments of the overall costs and benefits of AQM in the United States indicate, despite uncertainties, that implementation of the CAA has had and will probably continue to have substantial net economic benefits.
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From page 6...
... Recommended actions include enhancing assessments of air quality and health, ecosystem monitoring, emissions tracking, exposure assessment (both outdoors and indoors) , and other components of the scientific and technical foundation of AQM.
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From page 7...
... Recommended actions include better tracking of ecosystem effects and building an improved basis for implementing secondary or alternative standards to protect ecosystems. Implementation of these recommendations will still require substantial resources, but they should not be overwhelming, especially when compared with current expenditures for CAA compliance and costs resulting from harmful effects of air pollution on human health and welfare.
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Key Terms

  • recommended actions
  • actions include
  • hazardous air
  • air pollutants
  • reduce emissions

  • committee identified
  • include enhancing
  • sulfur dioxide
  • harmful effects
  • nitrogen oxides

  • international air
  • control strategies
  • enhancing assessments
  • ecosystem effects
  • future progress

  • setting priorities
  • caa goals
  • include establishing
  • sip process
  • national ambient

  • atmospheric concentrations
  • cleaner air
  • specifically sulfur
  • integrated multipollutant
  • substantial resources

  • stationary sources
  • control programs
  • multiple pollutants
  • iterative nature
  • exposure assessment


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